Compatible longboard fin built for river running Key benefits Better control in flowing water: Designed for river environments, the fin improves tracking and stability so you can hold lines and make corrective moves through currents. Smooth, responsive turns: Flexible PVC construction lets the fin bend under load for predictable pivoting and dynamic maneuvers without sudden stalls. Lower drag, easier handling: At just 150 g the lightweight design reduces resistance and keeps the board lively, helping acceleration and conserving rider energy. Simple upgrade and spare: Fits standard longboard fin boxes for fast installation or replacement on most longboards. What it does for you Solves common riversurf issues: Adds stability in unpredictable currents, reduces catchy behavior on rails, and supports controlled turns when you need to change direction quickly. Durable, forgiving material: PVC provides a balance of resilience and flex that tolerates frequent use and minor impacts better than brittle fins. Specifications and compatibility Compatibility: Fits standard longboard fin boxes Material: Flexible PVC Weight: 150 g Practical use scenarios River run sessions: Install this fin to maintain a steady line and make smoother adjustments when moving through eddies and crosscurrents. Travel or backup fin: Keep it as a lightweight spare for longboarding trips where quick replacement may be needed. Instructional or rental boards: Use on boards for lessons or rentals to give learners more predictable handling in flowing water. Why choose this fin Straightforward fit and performance focused on river conditions. The combination of compatibility, flexible PVC construction, and low weight makes it a practical choice for riders who want improved control and maneuverability on river runs.